This 2024 Volvo XC-90 CEM has a new style, there it only has 3 plugs instead of the usual 6 plugs on it. To program the 2023- new car, I'll need to use the Yanhua Mini ACDP 2&Module 20 License + CEM Interface Board together. The Mini ACDP is doing a fantastic job.

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Yanhua ACDP Volvo 2023-2024 CEM Interface Board Installation

After connecting, go to the Mini ACDP APP:
Volvo >> XC90(2022-) >> Read CEM data by ICP >> SPC5748G(VOLVO-24)
The chip connection is good.
Reading data, please wait...
The backup file succeeded!
Please save the CEM password data.

Volvo >> XC90(2022-) >> OBD detect >> OK
Connect the ACDP to the vehicle OBDII port and press the engine start button.
Turn on the ignition.
We can see the current key is 2.

Add key/all key lost >> OK
Please make sure the CEM module has been installed.
Connect the ACDP to the vehicle OBDII port and press the engine start button.
Turn on the ignition.
OK >> OK

Please select CEM password data.
Please put the smart key you need to match in the key recognition area of the cup holder or the hand-held box.
Current number of keys: 3
The new key has been successfully added.

Check the new key, it can normally work.
Done.

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